It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-639322862159.mit-edu.top/post/5283704691

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-639322862159.mit-edu.top",cType: 'managed',cRay: '90f3b0896bac2006',cH: '3BB4u3oThGnICacJ8OJdz.bwZ1wuwUimTjiCk57D5nQ-1739102327-1.2.1.1-Qhvhy9uGHMidjowVmz4Mb32Nc0kSiPVHl6n3mUPYW5b9pfX3JsuYxQ_XoSSCpfIW',cUPMDTk: "\/post\/5283704691?__cf_chl_tk=6ltJJzvmt1iHlDZ4YVV9WLk.nUUwDCDjD83ZBn4UpTQ-1739102327-1.0.1.1-oLD0DXW_WsGld66l.etcTSgehUulRv_aL5mRddeXDCI",cFPWv: 'g',cITimeS: '1739102327',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5283704691?__cf_chl_f_tk=6ltJJzvmt1iHlDZ4YVV9WLk.nUUwDCDjD83ZBn4UpTQ-1739102327-1.0.1.1-oLD0DXW_WsGld66l.etcTSgehUulRv_aL5mRddeXDCI",md: "TwTsfEA8DIuenGT3I9xAoAgTMVQp9r8ASk.jLwHqpV4-1739102327-1.2.1.1-YAhPxA3d5pf1AhQvzfnxO1iqgwMvGA4QJLwq4eFPFEKRTHApCsEnN.L1v4fDQy8V3DqyBs0IZeI1pdXD9dBjHHRMMgfL67CpnHroi5tkIJbzwsVqpg3TlwBVPaATSdW3ec0P0BheVvwL4hKgnsjpw.MZwOh9AjVqE7vyy3KJU06XKsupcBuZhWJbN_CgFgjOvwsQrJWNuh0VI6Hf6L.96QC0iw14YlZl2MYEpSLfh4CNOH42arHXkJHe2wwnM7BAnRuXpSRClZXRBZ1jsmpo7ZmBCR_659TIS0KTPMf0NQshPUi22PI9qZUjq13cdXUOWC1mw.HbUoBchrcKmuVUPQa70Xn0lvw0_oFKxc.Inm.xZY1EzMlCbex7Rkpeax39Xd3NQUkMkUdLQAqqEqtmBJ.lERiTonCoLMLDmyArR8MVmTS2zc7ImGw9iAas4x3AxyGEwnkZ4IYcR.F9ENDQ3MX2.1ri5gw3EfQ2CqnsPQUbgCGfZAIC6ZY9O58j5vsFvFU5LZCINL5mTSX5PzNjaZwkHmD8fUJE1gUOBhXQZXlv4o3ai1xjYuiSMMRqRSsUmQePXFnV128bq6O2NGnmFWBc91ovL4sdT8FwnX2Np4QEWh7jdGfjb06KqPs7NjZEqpQPFEjWgf9fsPTN5NhMPDg.KOtYElCcevo1KIRaQBJHOa.GZWw.SH0W3JBOyQf4117xLJIpdwTAmHOVEpVD1pcO8vWFFFFmqGKijHTXrnzSLFFV0bo9Ok.r2XjbHvAU_yI3BW5jhq.Ww_P5KYK3wcd1j7N9DW3QaNUGjSEiqRChQg4YLjvg2XEMQ6P8jBybafwLq4X0AMur608fFPuMZ_Mx0bLQLQWaJZfc9dvLAU4x6aDvcnwywZWMQ0TcsKivYR1KgMVbXm._yMWkr1UwMr8OOtbCpTmDmtv1rWbGS0J_dvPRD3fXR.ZilThJ5YIjX2_DfmDzP1UI2fUIxtyu1sotBaV3bZY2EuQbKJ7VDbvAEsc_J7vuneoMBAmtU0BapafnDt1iN1vG9WweOET8u4y9HfDF8u0ai4cSQNZvwV4oE91KVJVuLxXK.u5hDtMn0hvcip0f_zEqdejuaF.UHMEn_9LWqynWmIfAoCEKW.KSh9yqfpfFFCRu.hk0aNG6WAgW6kKLGhIjwfFnoCSjwExmNPdRHYtjhaPu7nbAf80WcOaFbqfYHU_okd2sWvfyDxsdgEndxg7uYY0Jm_oTzsUTOo0fYyPCOvzu8oNfAaZ4Rg1y5b4VbLfpTALTFThXP8SycsX8ElNVklP7N6UTqg4kcirWnIfb3pc6h90OhWFp2jLa8M6jdkfC0YcvOgmkXcfm18LXc7m9EcWo6BxX5r3VlXkHNAiClJNfpb6PxTbZ9kqwSi_mqls._asGI9GxYgzGLxDpst1ogNNrM5AoGVYFVQmYoSS_MNo2AoM922U2kCzOE.rga_FAW75J74k6kUANe.3RmcU1eEsmU17v3aKb7rKNMzsqn00InlgT_qeAdtagtkuHFutO749HzYeK1VWbfvbRWIr0gZzrgHKf7H7LV4hSf7NJ35VBJa3J7bni7zVF4EiyaMcIK.Cz2XxSaLMOSpLonUCpS7DgKz4BFxujaiYIuWHK7_1geTBzADcUoObM4PvgEFT.zU43wO_3YxUlmBjWp7FVScnxYoYrVyqNgW4LWxSJVWKhhsOQWwyBro37bj2l10eS7fIOTy1FYHYFGLnTHSRo71BAuzVH.SkUvfcSXKukNAuaezFpyFwafqdsHqeHAs3K3XALnSmfQiICPL7kD1__SZKT4Z1iDoJ0NSb5sJCR87f63VQMMo2otS6Jnf04um8X5A3g.9oylx33Q.U8MKcr_HyabaAbmeEwvRhiCsOa3Bn4oNSQ4J54HY.Sm_YwESTiEmVJ6EJxTb3YDCj4Oe5Nmc0.O31ExXR0wlO_d25SX9ler_nWheE8wNA1oDz2673BBcFcdsAvJej0xbxzvBHa0CYgvEOYf6GzIc4vbwEnwwOW8a.Was9ny7ZTkV1lz_58QRXiW_o.XgOy4Z6xpSL.n6xamwzbyVeziDaGvD9rIB6xabyrNGieAARC5Il9H9jdqwk82FuwfVhrIu7XA2ZauRl8NFwYmzOM8IASbQw6kCsOjjeEkP7TqFjKlWVWRU.Wpm0ElyJ2fUXY18wRn4.8P36XWpFilSSimPzztwwdHotGQ6btigp3POcXyuYrAXEBwNDgVTML",mdrd: "59L09Ktg119sbZ1Kwv0qYBNAnQ7KSMrYgBLMVUxlRmQ-1739102327-1.2.1.1-F1W9aRg2Vsb4SV4RBTNu4gYkVlpdQJM7vgK.635GecipAqtsLXXdgYtLC6HN2UR.8mn.L3tLAyWwYDI1b2X0Z5s51.FZT93QRvhMjV6Kw16.Y4TJvM0n5Po_jpZyksI0Wr8hOx6KKl4K6I69JVSZ7sDXgL3EBoMBUtB9dP_T6l4iR_lQrpWFn4UhSr.JRrGBR_aWvcuvioIlWWNcFSV6phwKThZFw_VtVSSU8AGQZXHkhqTYv5X2wxerZ_hfPZU8RnW.iBtDheAEkfK2dnujpEM4S70.eh3ZATGy.KTONqk8lo6Luex3035tGYpKZSSQOR9Jh4cCbMDSKA4xNCb5Dwe5kPhE23Y.qpkfgKL_I8W4VT0KtmRPy_wBzQ.rk8XdD_u_jIMtOCbDak8Jm4vJFcm89V6RyhWR8Va2.OlGX2AmBH2CBb7prbtgyJQe.rsVX1VGVVo5dpAM0UQsUsoU3w4OPv831oBxix67lRiIfku..mMk62IfCyGLEyGQNdxPDjzCvIKY5.J6nXuz0i0WmKxGAIo3DuYTnW7QZZTJMvHHy7y2RQZXwP.LVNKtX9S4HoFASJNIjiMeQNQhi4_lgA55hmNs5v4isN4L0kHr_lOQRizBJpxl_J.HdEx4JbjQMeWXLH0rcJxHS.svbZnvjHzF9fgC5Jg1zLMsP6DD2.Pp27DcTf7Edx2lk_f2Uw60iiiynieJFaIITpOxHviYdRECqi56nc5ueMm3jAeYQF20d4pOXQctUn4oSvdcO8z6YrX6q.IRggoevFA.kED01INdZO0AsdmE6cj0Q7t1Q37dzdXuPJDIx91e_1hQ9NQ94a.Cww7XAAv5oobIumujlVlMwv.tFuRKdZMTUG5DSeV0p5o6q_P0Q37Tt6eA3pTQgCYNQSONrYeBgFWgkxpAHI71LUzMNsrO6LP5PePOWqiJBrYHlOIFQZFTalfHs3kaeWQvT30ApuvpB9qFUre3MSGIbWwFFasf6VjJDn8y0C0r7FG7GPCbj9_axIUaBlkyKMlb17Vv6m40iLctrL9zpHjk4TAgTJBrlo2T4.vvLyO4_38__whxMrqZfsxFjfEZqk.2hSfKbGKOSzZljJWN5fKZ81A1cG2Jr057zeGt7wEToejeK4rT.NwgMUosaR5_BN0bTmNRvmgjCaCObLu9QutnXOhxq3xYgSDLNT5yHE9ttGXRrqi3Y7cl0vRV_K6QO9Itp11E5.70EuaOMkcVqnTgItsq2YlHsbBkZ46buTAl_WmhQfzX0CBymmIXt_DVi1j55f5xdH2jAJ6nCrhqi9JOGRcGrNmdARjkqehglJJGSLNICgl8O9VjrRWYA_uEp_y4dUe7stfGhX8YLkRs5evVa.JYHPRDj2u5XpNZk0tFGEhahz_hda61Qk0reBS7ALY1BZgTUKTe7.2h48VB_raOCI8oc5XVYiicu0NprTDobIF91OFGMifrbgsBbOP0O_O7qQLUJ28nD9MKKhupzQXRLHtCRD.xELfTgWbwGgLw_c_2aJzMQkBUGAYuo4nbfr8YYxyGn3OkulJm_i9V0BaYaXHBFkPO85W_cJWaogn0o40j9ePCiIEgUImpXne2OgU3ORQRUtEI84LSKx8ixaCUTcxRsfQJVffxPRV7BRvm9feHN3kMh8olWQgqHzWGYAFFzD3S9WDS2YMOwva_2mxKoMAb_mGu2tng.5Zv0V3VP3T.X05.EiDF7WJ8vkrAhLCfS3ARFE1SQMiwDwPt.iLO21lcTIRNRAHt0LRcQ0nSucVPvldTl4O0v0RfUEZEF0hlPsX5zQM6MFI76t4qso689wxjAJmPvmYVq80hmbCPqNduOuGFVXSsKwWusDzD"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b0896bac2006';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/5283704691?__cf_chl_rt_tk=6ltJJzvmt1iHlDZ4YVV9WLk.nUUwDCDjD83ZBn4UpTQ-1739102327-1.0.1.1-oLD0DXW_WsGld66l.etcTSgehUulRv_aL5mRddeXDCI" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda